Makoto Motomiya
Hokkaido University
AnatomySoft tissueSurgeryMagnetic resonance imagingBlood flowThumbRheumatoid arthritisCarpal tunnelWristMedian nerveWrist painCarpal tunnel syndromeTendonTendon transferElbowTriangular Fibrocartilage ComplexRadiographyRange of motionMedicineBiology
37Publications
9H-index
258Citations
Publications 37
Newest
#1Makoto Motomiya (Hokkaido University)H-Index: 9
#2Naoki Nishimoto (Hokkaido University)H-Index: 7
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
view all 6 authors...
Objectives: We aimed to investigate patient characteristics affecting their knowledge of surgical reconstruction for rheumatoid hand and wrist deformities, and to investigate such characteristics affecting their hope of receiving hand surgery if patients with rheumatoid arthritis (RA) knew surgical reconstruction options.Methods: We carried out a questionnaire survey for all patients with RA who came to our outpatient department of rheumatology. Multivariate logistic regression analysis was perf...
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#1Makoto Motomiya (Hokkaido University)H-Index: 9
#2Naoya Watanabe (Hokkaido University)H-Index: 1
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
view all 6 authors...
Summary Purpose : Although many studies have investigated the optimal anastomotic procedure for the end-to-side (ETS) procedure with a free flap, no study has focused on the size of the arteriotomy. Some surgeons have recently described the effectiveness of ETS with wide arteriotomy, but the postoperative haemodynamics remains unclear for free flaps created using this technique. The aim of this study was to use ultrasonography to evaluate the postoperative blood flow distribution after ETS with ...
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#1Makoto Motomiya (Hokkaido University)H-Index: 9
#2Naoya WatanabeH-Index: 1
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
view all 6 authors...
Summary Purpose Although end-to-side anastomosis is an essential method for the transfer of free flaps in traumatic extremity injuries, orthoplastic surgeons have no standard technique for performing this procedure. We describe a simple and reliable end-to-side technique is modified from that commonly used by cardiovascular surgeons for free-flap transfer. Methods Our microscopic parachute end-to-side technique consists primarily of two simple steps. First, the donor vessel is cut and widened wi...
1 CitationsSource
#1Makoto Motomiya (Hokkaido University)H-Index: 9
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
view all 3 authors...
BACKGROUND: Osteochondroma is a benign tumor that occurs mainly at the metaphysis of long bones and seldom arises from carpal bones. We describe an extremely rare case of osteochondroma of the hamate without a typical cartilaginous cap and with a spiky bony protrusion in an elderly patient. CASE PRESENTATION: A 78-year-old right-handed female housekeeper had a multilobed osteochondroma of the hamate, which caused carpal tunnel syndrome and irritation of the flexor tendons. Radiological examinati...
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#1Yuichiro Matsui (Hokkaido University)H-Index: 7
#2Akio MinamiH-Index: 74
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
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Purpose To evaluate the longitudinal clinical outcomes using a new semiconstrained wrist prosthesis for the treatment of severe rheumatoid arthritis of the wrist. Methods Twenty patients with rheumatoid arthritis (20 wrists) underwent total wrist arthroplasty with the prosthesis in a clinical trial. The preoperative Larsen classification was grade IV in 16 wrists and grade V in 4 wrists. Assessments were performed before surgery, 1.5 years after surgery, and at final follow-up (≥ 5 years after s...
2 CitationsSource
#1Makoto MotomiyaH-Index: 9
#2Tadanao Funakoshi (Hokkaido University)H-Index: 18
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
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OBJECTIVES: Although qualitative alteration of the subsynovial connective tissue in the carpal tunnel is considered to be one of the most important factors in the pathophysiologic mechanisms of carpal tunnel syndrome (CTS), little information is available about the microcirculation in the subsynovial connective tissue in patients with CTS. The aims of this study were to use contrast-enhanced ultrasonography (US) to evaluate blood flow in the subsynovial connective tissue proximal to the carpal t...
6 CitationsSource
#1Tomoyo Irie (Hokkaido University)H-Index: 1
#2Makoto Motomiya (Hokkaido University)H-Index: 9
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
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Volar locking plate fixation of distal radius fractures is commonly performed because of its good clinical outcomes. The flexor carpi radialis (FCR) approach is one of the most popular approaches to dissecting the volar side of the distal radius because of its simplicity and safety. We describe an extremely rare case of an absent FCR identified during a volar approach for fixation of a distal radius fracture. A 59-year-old woman with distal radius fracture underwent surgery using the usual FCR a...
1 CitationsSource
#1Gen MatsumaeH-Index: 1
#2Makoto Motomiya (Hokkaido University)H-Index: 9
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
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Tendon transfer with extensor indicis proprius (EIP) has been performed widely for reconstructing ruptures of the extensor pollicis longus because of its simplicity and clinical outcome. We experienced a rerupture of the extensor pollicis longus restored by incorrect tendon transfer because of a major unrecognized variation in the anatomy of the EIP. Surgeons should perform such transfer with a detailed knowledge of the possible anatomical variations to avoid such serious complications.
1 CitationsSource
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#1Gen MatsumaeH-Index: 1
#2Makoto MotomiyaH-Index: 9
Last. Norimasa Iwasaki (Hokkaido University)H-Index: 43
view all 4 authors...
Treatment of a nonunion of the proximal humerus remains a challenge because of the small proximal fragment and poor central cancellous bone stock of the humeral head. In this report, we describe our experience using a “half-folded” pedicled scapular bone flap with an anatomical locking plate to treat an atrophic nonunion of the proximal humerus in a 64-year-old right-handed woman. The patient had fallen and experienced a common humeral neck fracture 2.5 years previously. During the operation, we...
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